ISO 24319:2022
Ships and marine technology — Design and test requirements for small steel hatches using electrical trace heating
This document specifies the design, materials, quality of manufacture, test and designation of electrical trace heating for small steel hatches onboard vessels sailing in low temperature environments (below −10 °C).
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Design
4.1 Structure
4.1.1 Types of heated small steel hatches
4.1.2 Sealing rubber stripe
4.1.3 Other
4.2 Performance
4.2.1 Weather-tightness
4.2.2 Anti-icing
5 Materials
5.1 Hatch cover
5.2 Trace heater cable
6 Quality of manufacture
6.1 Appearance
6.2 Anti-rust and surface treatment
6.3 Installation of trace heater cable
7 Test
7.1 Weather tight test
7.1.1 Flushing test
7.2 Anti-icing test
7.2.1 Test purpose
7.2.2 Test device
7.2.3 Test condition
7.2.4 Test procedure
7.2.5 Pass/fail criteria
8 Designation
Annex A (informative) Nominal dimension, closing device and hinge position arrangement of heated small steel hatches
Annex B (informative) Type selection for trace heater cable and layout of trace heating device
Bibliography
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Design
4.1 Structure
4.1.1 Types of heated small steel hatches
4.1.2 Sealing rubber stripe
4.1.3 Other
4.2 Performance
4.2.1 Weather-tightness
4.2.2 Anti-icing
5 Materials
5.1 Hatch cover
5.2 Trace heater cable
6 Quality of manufacture
6.1 Appearance
6.2 Anti-rust and surface treatment
6.3 Installation of trace heater cable
7 Test
7.1 Weather tight test
7.1.1 Flushing test
7.2 Anti-icing test
7.2.1 Test purpose
7.2.2 Test device
7.2.3 Test condition
7.2.4 Test procedure
7.2.5 Pass/fail criteria
8 Designation
Annex A (informative) Nominal dimension, closing device and hinge position arrangement of heated small steel hatches
Annex B (informative) Type selection for trace heater cable and layout of trace heating device
Bibliography